Question 956
What is the name of the ion MnO4^2-?
Question 957
What is the oxidation state of manganese in the manganate ion (MnO4^2-) formed during KMnO4 preparation?
Question 958
Which alkali metal hydroxide is specifically mentioned in the preparation of potassium permanganate?
Question 959
What is the purpose of adding potassium chloride to a solution of sodium dichromate during the preparation described?
Question 960
In the reaction Cr2O7^2- + 14 H+ + 6 Fe^2+ -> 2 Cr^3+ + 6 Fe^3+ + 7 H2O, which species is the reducing agent?